$ git clone -n https://src.fedoraproject.org/rpms/rust-stats_alloc.git /var/lib/mock/f39-build-1497893-34659/root/chroot_tmpdir/scmroot/rust-stats_alloc
Cloning into '/var/lib/mock/f39-build-1497893-34659/root/chroot_tmpdir/scmroot/rust-stats_alloc'...
$ git fetch origin 65fdfeb6be52a755a950d6d122fe0a3fe18d1627:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-stats_alloc
 * [new ref]         65fdfeb6be52a755a950d6d122fe0a3fe18d1627 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 65fdfeb Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild